#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <sched.h>
#include "Mutex.hpp"
int ticket = 100;
// pthread_mutex_t mutex;
Mutex mutex;
void *route(void *arg)
{
    char *id = (char *)arg;
    while (1)
    {
        // pthread_mutex_lock(&mutex);
        // mutex.Lock();

        {
            LockGuard lockguad(&mutex); // RAII 风格的加锁
            if (ticket > 0)
            {
                usleep(1000);
                printf("%s sells ticket:%d\n", id, ticket);
                ticket--;
                // pthread_mutex_unlock(&mutex);
                // mutex.UnLock();
                // sched_yield(); 放弃CPU
            }
            else
            {
                // pthread_mutex_unlock(&mutex);
                // mutex.UnLock();
                break;
            }
        }
        
    }
    return (void *)1;
}
int main(void)
{
    pthread_t t1, t2, t3, t4;
    // pthread_mutex_init(&mutex, NULL);

    pthread_create(&t1, NULL, route, (void *)"thread 1");
    pthread_create(&t2, NULL, route, (void *)"thread 2");
    pthread_create(&t3, NULL, route, (void *)"thread 3");
    pthread_create(&t4, NULL, route, (void *)"thread 4");
    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
    // pthread_mutex_destroy(&mutex);
    return 0;
}